@misc{indiciaec7e7a79357ce,
  title = {Development and validation of a survey-based COPD severity score.},
  author = {Mark D Eisner and Laura Trupin and Patricia P Katz and Edward H Yelin and Gillian Earnest and John Balmes and Paul D Blanc},
  year = {2005},
  doi = {10.1378/chest.127.6.1890},
  url = {https://pubmed.ncbi.nlm.nih.gov/15947299/},
  note = {Source identifier: 15947299}
}